Question 1 (1 point) Why do scientists use models?
to aid in the development of questions and explanations about systems.
all answers are true.
to replicate and simplify. physical reality to allow for precise experiments
because some systems are so large, small, or complex they are difficult to predict.

Which mathematical relationship should you us to convert moles of a substance into grams

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

What does the mass of 0.7891 mol of ferric oxide (fe2o3)